Water in central Texas comes from the Edwards

Aquifer and tends to be hard. Which of the

following would you expect to find in this water?

O A. Carbon dioxide

O B. Calcium ions

O C. Biotic factors

O D. Oxygen gas

A car has a mass of 900 kg and a truck has a mass of 1800 kg. In which of the following situations would they have the same momentum? A car has a mass of 900 kg and a truck has a mass of 1800 kg.

Kyle's science class is doing an experiment to find out about the effects of different temperatures on Mexican jumping beans. The teacher has divided the class into different groups.

A rock has a mass of 2.00 kg on the moon. What is the mass of the rock on the earth?

What region of the electromagnetic spectrum contains wavelengths the size of an atom? (10^-10 meters) What frequency does this wavelength correspond to?

Can you use radiation to generate electricity

What is a transverse wave

Object moving at a constant velocity will always have a

Who would most likely agree that a child learns certain behaviors from observing other people?

A bullet is fired horizontally from a height of 78.4 m and hits the ground 2400 m away. With what velocity does the bullet leave the gun?

Select the correct answer. Two charged objects, A and B, exert an electric force on each other. What happens if the distance between them is increased? O A. The charge on B decreases. OB. The charge on B increases. OC.